package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

/*删除用户操作，根据输入的用户名删除该用户
* 要求：使用预编译SQL*/
public class Test2 {
    public static void main(String[] args) {
        UserInfo userInfo = InputUtil.getInputObject(new UserInfo(), "删除用户", "删除");
        try (
                Connection connection = DBUtil.getConnection();
        ) {
            String sql = "DELETE FROM userinfo WHERE username=?";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1, userInfo.getUsername());
            int result = ps.executeUpdate();
            if (result > 0) {
                System.out.println("删除成功！");
            } else {
                System.out.println("删除失败！");
            }
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
